First Part: The probability that the combined sample will test positive is Second Part: Is it unlikely for such a combined sample to test positive?
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
Second Part: Is it unlikely for such a combined sample to test positive?
A. It unlikely for such a combined sample to test positive because the probability that the combined sample will test positive is 0.05.
B. It unlikely for such a combined sample to test positive because the probability that the combined sample will test positive is 0.05.
C. It unlikely for such a combined sample to test positive because the probability that the combined sample will test positive is 0.05.
D. It unlikely for such a combined sample to test positive because the probability that the combined sample will test positive is 0.05.
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